philadelphia



I l x n im Paz med @Mx/667" i @auch gtst-rsiv @anni @Hita CHARLES o. LLOYD, OE PHILADELPHIA, PENNSYLVANIA, ASSIGNOR To 'PHE AMERICAN METER COMPANY, or NEW VYORK, PHILADELPHIA, AND BOSTON.

i Letters Patent No. 71,518, dated lVovemerv 26, 1867.v

IMPROVEMENT IN DRY GAS-METERS.

@lzrtlpttle referat tu in time Eaters atmt ma mating part rf tige tame.

'ro ALL WHOM IT MAY coNoERN: v -v Be it known that I, CHARLES C. LLOYD, of the cit'y of Philadelphia, in the State of Pennsylvania, have accompanying drawings', making a part of this specification, in which- Figure 1 isa vertical section of the said improved meter on the left-hand side of the dotted line w of fig. 2.v Figure 2, a sectional front elevation.

Figure 3, a horizontal section below the dottedline of iig. 1, and Figure 4, an enlarged section of the hinge-joint which connects'the flag and the bellows-disk together- Q Like lettersof reference indicating the same parts whenV in the dierent'iigures.

The'object of my improvement is twofold, ine., to reduce the cost of construction, and to improve the action .of the meter.; 'and my invention consistsdn connecting the flag to the bellows-disk by. the employment of ahinge-joint, constructed and applied substantially as hereinafter described; in producing the requisite horizontal arm ofthe lag-stai by bending tbe latter so as to dispense with an attachment of the arm as heretofore required for the purpose, and in maintaining a perfect parallelism between the bellows-disk and the partition of the meter during the movements of the former, by the application or employment-of a coupling-arrangement, f `substantially :ts-hereinafter described and sel forth. n

A.Referring to the drwings,`.A..B are usual dry-meter case; C, the flag-stati; D,'tl1e flag; E, the bellows-disk F the hinge-joint, and G G G the coupling-arrangement between the partition a and the disk E. The wire which Y'forms'the.flag-steif C, has its upper`end extended vand bent down to a horizontal position, soas to produce the requisite horizontal arm c', as shown in iig. 1, thus avoiding the'necessity of attaching a separate piece to the -top of the'sta'oto producefthe arm, and affording not only a better, but a more reliable, strong, and easily constructed means of connecting the staff tothe usual valve-rods, which. latter, being constructed and arranged as heretofore, need notto he shown in the drawings. Theilag D and theibellows-disk.E, constructed as heretofore, are connected together by means of a vertical stem,f, which is rigidly fixed to' the ag D, and two bracketsjyfm, which-are rigidly iixedso as to project ou the outside of the disk, in the relation-to each other* Shown 'in gs. 1,2, 3. AThe head of the upper bracketf has an. socket bored nearly through it, from its under side, and fits -looselythdreby over the rounded or conical upper end of the stemf, so as to support the weight ofthe disk E upon .the s'aid end of the stem, whilst the' lower end of the said stem passes loosely through the headofthe lower brcketfm, and thus keeps the disk E steady during its motions. The upper side of the head pff has a small hole, 4, for the introduction of a lubricant. Heretoforel the joint at this part has been formed by makinga thicker stem, haui'ng a journal and shoulder at each end, thejournals passing respectively through iboth of the brackets, and supporting the disk E upon the upper shoulder, thus not onlyv requiring that the joura nlls and shoulders be turned in a lathe so as to Iyork smoothly inthe bracketholes, but causingalso more fric tim; whereas in my improved joint, the stem being merely'a straight piece of wire, requires only' that its upper end be rounded or smoothed off, substantially as shown in fig. 4. It thereforegreatly lessens the cost of co'n structing the joint, and affords an easier motion to the disk. The coupling-arrangement consists ofa bracket, G', "rigidly xed to and projecting.perpendicularly from the partition a, and jointed to a bar, G, which is jointed to anotherbracket, G, rigidly xed to project inward von the inner side of the disk E, as shown in figs. 1 and 3. The length of the bar G, between its pivotpoints, corresponds exactly with the distance between the centre of the Hag-stati` C and the centre of the stem f,'connected therewith by the flag D; and the distance between the pivot-pointof the bracket G. and the centre of the stem f', corresponds precisely with' the distance between the pivot-point of the bracket G and the centre of the flag-staff C, and consequently the radial movements of the flag D, and of the bar G, are always simultaneous and parallel with each other, and therefore-a perfect parallelism is maintained between the disk E and the partition a at all times. Heretofore an imperfect sort of parallelism has heen'ei'fected by means of a bridle il of wire, applied to rock or turn on the bottom of the caseA B, andv at the "same, slide in slotted studs xed on the outside of the disk E, but its 'operation is not only irregular and imper-l feet, but the bridle is very liable to get out of order g whereas my said improved mode of maintaining thev 'invented an'euv and useful Improvement-in the Dry Gas-Meter ;A and I do hereby declare that the following is a full, clear, and exacttdescription of the construction and operation of the same, reference being-had to the` parallelism required, is perfect in its operation for the purpose, not liable to spring or get out of order, and is more easily constructed and applied.

Having thus fully described my improvement in tlle dry gas-meter, what I claim cs new therein of my invention, and desire to secure by Letters Patent, is confined to the following, viz

1. I claim making the lieg-steif C, and its horizontal arm c in one piece, bybending' it es described end set forth, for the purpose specified.

2. I claim connecting the Hag D to the bellows-disk E, by means of a, hinge-joint, consisting 'of the vertical stem f and tllebrcckets f andf", when the said parts (ff"f) are constructed and connected together, in the manner described a-'nd showin for the pilrposes specified. v

3. I also claim maintaining the requisite parallelism between t the motions ol' the former, by means of the coupling-arrangement Gr G G as end for'tlle purpose described.

i CHAS. C. LLOYD.

he bellows-disk E and the partition a', during Witnesses:

WM. H.- MonIsoN, BENJ. MoelsoN.

combined therewith, substantially 

